1000020222201 has 128 divisors (see below), whose sum is σ = 1946789462016. Its totient is φ = 439123783680.

The previous prime is 1000020222199. The next prime is 1000020222221. The reversal of 1000020222201 is 1022220200001.

It is not a de Polignac number, because 1000020222201 - 2¹ = 1000020222199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000020222221) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1624176 + ... + 2153598.

It is an arithmetic number, because the mean of its divisors is an integer number (15209292672).

Almost surely, 2^{1000020222201} is an apocalyptic number.

1000020222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000020222201 is a deficient number, since it is larger than the sum of its proper divisors (946769239815).

1000020222201 is a wasteful number, since it uses less digits than its factorization.

1000020222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 529511.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1000020222201 its reverse (1022220200001), we get a palindrome (2022240422202).

It can be divided in two parts, 1000020 and 222201, that added together give a palindrome (1222221).

The spelling of 1000020222201 in words is "one trillion, twenty million, two hundred twenty-two thousand, two hundred one".